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- Hai Huang, Zhongsheng Yu, +5 authors Renjie Jiao
- Journal of cell science
- 2010

Chromatin assembly factor 1 (CAF-1) was initially characterized as a histone deliver in the process of DNA-replication-coupled chromatin assembly in eukaryotic cells. Here, we report that CAF-1 p180, the largest subunit of Drosophila CAF-1, participates in the process of heterochromatin formation and functions to maintain pericentric heterochromatin… (More)

- Changmin Zhang, Shuaiqi Zhang, Junxia Wu, Shaoxiong Han
- 2012 International Conference on Computer Science…
- 2012

An adaptive marker extraction-based watershed algorithm is proposed to overcome the over-segmentation problem. By combining local minima depth and water basin scale information, markers are adaptively extracted for local minima, and the threshold for marker-extraction is automatically calculated according to the statistics of local extreme points in the… (More)

- Runhuan Feng, Shuaiqi Zhang, Chao Zhu
- ArXiv
- 2011

This paper deals with optimal dividend payment problem in the general setup of a piecewise-deterministic compound Poisson risk model. The objective of an insurance business under consideration is to maximize the expected discounted dividend payout up to the time of ruin. Both restricted and unrestricted payment schemes are considered. In the case of… (More)

- Runhuan Feng, Shuaiqi Zhang, Chao Zhu
- CDC
- 2012

This work deals with an optimal dividend payment problem for a piecewise-deterministic compound Poisson insurance risk model. The objective is to maximize the expected discounted dividend payout up to the time of ruin. When the dividend payment rate is restricted, the value function is shown to be a solution of the corresponding Hamilton-Jacobi-Bellman… (More)

- Shuaiqi Zhang, Guoxin Liu, Yan Li
- The 2nd International Conference on Information…
- 2010

This paper deals with the optimal control problem for the classical risk model with solvency constraints. The objective of the corporation is to maximize the cumulative expected discounted dividends payout minus the equity issuance with solvency constraints. It is well known that under some reasonable assumptions, optimal dividend strategy is a barrier… (More)

- Shuaiqi Zhang
- 2010 2nd International Conference on Information…
- 2010

This paper extends the known result due to Belhaj[1] who found the optimal dividend policy is of a barrier type for a jump-diffusion model with exponentially distributed jumps. It turns out that there can be essentially two different solutions depending on the model's parameters. It also deals with the optimal control problem for the jump-diffusion process… (More)

This paper considers the optimal dividend payment problem in piecewise-deterministic compound Poisson risk models. The objective is to maximize the expected discounted dividend payout up to the time of ruin. We provide a comparative study in this general framework of both restricted and unrestricted payment schemes, which were only previously treated… (More)

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